Question

1. how should the table be changed to distinguish between mechanical and electromagnetic waves correctly? table content (partially unclear due to image quality: mechanical waves column has ocean waves, light waves, earthquake waves; electromagnetic waves column has sound waves, radiation waves, x - ray waves) options: 1. sound waves and light waves need to change places. 2. light waves and x - ray waves need to change places. 3. earthquake waves and radiation waves need to change places. 4. ocean waves and x - ray waves need to change places.

Explanation:

Mechanical waves require a medium (e.g., ocean, sound, earthquake waves), while electromagnetic waves (e.g., light, radiation, X - ray waves) do not. In the table, sound waves (mechanical) are in electromagnetic column, and light waves (electromagnetic) are in mechanical column. Swapping them corrects the table.

Answer:

A. Sound waves and light waves need to change places.